中国西藏纤蚤属一新种记述(蚤目:多毛蚤科)

DESCRIPTION OF A NEW SPECIES OF RHADINOPSYLLA FROM XIZANG,CHINA

本文记述纤蚤属ＲｈａｄｉｎｏｐｓｙｌａＪｏｒｄａｎｅｔＲｏｔｈｓｃｈｉｌｄ，１９１２一新种，即圆截纤蚤Ｒｈａｄｉｎｏｐｓｙｌａ（Ａｃｔｅｎｏｐｈｔｈａｌｍｕｓ）ｒｏｔｕｎｄｉｔｒｕｎｃａｔａｓｐ．ｎｏｖ．。采自西藏自治区的斯氏高山Ａｌｔｉｃａｌａｓｔｏｌｉｃｚｋａｎｕｓ和藏仓鼠Ｃｒｉｃｅｔａｌｕｓｋａｍｅｎｓｉｓ体上。

Rhadinopsylla (Actenophthalmus) rotunditruncata sp.nov. (Figs.1 3) Diagnosis.Only ♀ known.This new species is similar to R.(A.) aspalacis Ioff et Tiflov,1946,but differs from the latter in the following characters: 1)the 5th spine of genal comb shor ter ,slightly extending beyond half of the 4th spine;2)the longest bristle of segment Ⅱ of hind tarsus reaching about tip of Ⅳ;3)antepygidial bristle with 2 bristles; and 4) apical margin of st.Ⅶ with a wider sinus,its dosal lobe being wider and somethat rotund trun cata (the new species is thus named). Holotype ♀,off Alticola stoliczkanus ,collected on 30.Ⅷ.1976,from Nagqu County (elev. 4400m ),Xizang paratype 1♀,off Cricetulis kamensis ,collected on 31.Ⅶ.1986,from Ngamring County (elev.4500m),Xizang.Body length:2 2mm and 2 4mm.The types are deposited in the Research Institute of Endemic Disease Control of Qinghai Province.